End effector and instrument for endoscopic and general surgery needle control
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 7, 2001
Grant Date -
N/A
app pub date -
Oct 25, 1999
filing date -
Oct 26, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A surgical instrument for use in laparoscopy is provided, comprising a tubular member having a proximal end and a distal end, a first end effector piece pivotably mounted to the tubular member near the distal end of the tubular member, a second end effector piece disposed near the distal end of the tubular member and being slidable relative to the tubular member, wherein a surgical item, such as a suture needle, may be received between the first end effector piece and the second end effector piece and may be rolled substantially axially by axial translation of the second end effector piece with respect to the first end effector piece. In one embodiment, the end effector pieces may be provided with depressions in their face surfaces. In another embodiment, the surgical instrument may also include a handle assembly having a control lever and a rotation actuator. The tubular member may also be rotatably mounted on the handle. In another embodiment, the handle assembly may comprise a number of servomotors for effecting motion in the tubular barrel and the end effector pieces.
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